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2026-07-16 - 09:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Jul 16, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34512130120,7sleep10-21swapper/119:08:081
34622124115,6sleep20-21swapper/219:08:172
35512113103,7sleep30-21swapper/319:09:263
35852110100,7sleep00-21swapper/019:09:510
129122610,1sleep312914-21kthreadcore22:05:183
115142610,0sleep20-21swapper/220:40:152
230712580,0sleep00-21swapper/020:20:180
33342490,0sleep13340-21kthreadcore22:25:181
377299280,27cyclictest0-21swapper/222:39:082
377299270,26cyclictest0-21swapper/200:31:502
376799270,26cyclictest0-21swapper/123:07:511
376799270,26cyclictest0-21swapper/121:49:051
376799270,26cyclictest0-21swapper/121:43:021
376799270,26cyclictest0-21swapper/119:38:101
376399271,1cyclictest23010-21apt-get19:25:100
376399270,2cyclictest0-21swapper/021:13:440
377299260,25cyclictest0-21swapper/200:03:352
376799260,25cyclictest0-21swapper/123:46:081
376799260,25cyclictest0-21swapper/123:36:291
376799260,25cyclictest0-21swapper/123:25:561
376799260,25cyclictest0-21swapper/123:03:291
376799260,25cyclictest0-21swapper/122:41:481
376799260,25cyclictest0-21swapper/121:36:271
376799260,25cyclictest0-21swapper/121:27:261
376799260,25cyclictest0-21swapper/121:22:441
376799260,25cyclictest0-21swapper/120:49:191
376799260,25cyclictest0-21swapper/120:36:101
376799260,25cyclictest0-21swapper/120:34:581
376799260,25cyclictest0-21swapper/120:19:391
376799260,25cyclictest0-21swapper/119:55:221
376799260,25cyclictest0-21swapper/119:53:511
376799260,25cyclictest0-21swapper/119:33:491
376799260,25cyclictest0-21swapper/100:07:511
376399260,21cyclictest0-21swapper/022:30:470
3767992518,7cyclictest0-21swapper/120:13:101
376799250,24cyclictest0-21swapper/123:32:421
3763992518,6cyclictest749-21snmpd22:36:350
3763992518,6cyclictest749-21snmpd00:25:260
3763992518,5cyclictest749-21snmpd19:52:460
376399250,24cyclictest0-21swapper/020:38:220
377299240,9cyclictest0-21swapper/219:10:112
3767992421,2cyclictest0-21swapper/122:15:031
3763992417,6cyclictest749-21snmpd23:01:440
3763992417,6cyclictest749-21snmpd22:00:420
3763992417,6cyclictest749-21snmpd21:03:560
3763992417,6cyclictest749-21snmpd19:14:340
376399240,7cyclictest0-21swapper/023:55:140
3767992321,2cyclictest0-21swapper/122:21:171
3763992317,5cyclictest749-21snmpd22:29:030
3763992317,5cyclictest749-21snmpd21:56:020
3763992316,6cyclictest749-21snmpd23:28:090
3763992316,6cyclictest749-21snmpd21:24:260
3763992316,6cyclictest749-21snmpd19:30:280
3763992316,6cyclictest749-21snmpd19:20:400
3763992315,7cyclictest749-21snmpd21:46:470
3763992315,7cyclictest749-21snmpd00:10:020
3763992314,7cyclictest749-21snmpd21:06:350
376399230,2cyclictest749-21snmpd19:45:250
376399230,2cyclictest749-21snmpd19:45:250
376399230,22cyclictest0-21swapper/000:05:300
3772992221,1cyclictest0-21swapper/221:55:322
377299220,21cyclictest0-21swapper/223:16:572
377299220,21cyclictest0-21swapper/221:15:152
377299220,21cyclictest0-21swapper/221:04:382
377299220,21cyclictest0-21swapper/220:22:282
377299220,21cyclictest0-21swapper/220:18:162
3767992218,3cyclictest0-21swapper/121:32:471
376799220,3cyclictest0-21swapper/123:16:271
376799220,21cyclictest0-21swapper/122:36:291
376799220,21cyclictest0-21swapper/122:31:471
376799220,21cyclictest0-21swapper/121:10:111
376799220,21cyclictest0-21swapper/121:09:471
376799220,21cyclictest0-21swapper/120:25:071
376799220,21cyclictest0-21swapper/119:23:131
3763992218,2cyclictest2899-21sadc20:05:000
3763992216,5cyclictest749-21snmpd23:08:570
3763992215,6cyclictest749-21snmpd22:22:380
3763992215,6cyclictest749-21snmpd00:39:420
3763992214,7cyclictest749-21snmpd20:45:070
376399221,2cyclictest0-21swapper/022:55:140
376399220,4cyclictest0-21swapper/021:30:200
241622220,1sleep338-21rcuc/323:15:143
3772992119,1cyclictest749-21snmpd20:52:552
377299211,3cyclictest0-21swapper/220:55:402
377299211,19cyclictest0-21swapper/222:20:102
377299210,20cyclictest0-21swapper/223:58:152
377299210,20cyclictest0-21swapper/222:54:592
377299210,20cyclictest0-21swapper/222:42:142
377299210,20cyclictest0-21swapper/222:32:422
377299210,20cyclictest0-21swapper/221:40:292
377299210,20cyclictest0-21swapper/220:10:522
377299210,20cyclictest0-21swapper/219:19:012
377299210,20cyclictest0-21swapper/200:38:092
377299210,18cyclictest0-21swapper/221:45:022
3767992118,2cyclictest0-21swapper/123:42:031
3767992117,3cyclictest0-21swapper/123:24:081
376799210,3cyclictest0-21swapper/121:00:591
376799210,2cyclictest0-21swapper/123:50:321
376799210,20cyclictest0-21swapper/121:52:231
376799210,20cyclictest0-21swapper/121:17:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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